H01L25/072

Cooling apparatus, semiconductor module, and vehicle
11538736 · 2022-12-27 · ·

A semiconductor module including a cooling apparatus and a semiconductor device mounted on the cooling apparatus is provided. The cooling apparatus includes a cooling fin arranged below the semiconductor device, a main-body portion flow channel through which a coolant flows in a predetermined direction to cool the cooling fin, a first coolant flow channel that is connected to one side of the main-body portion flow channel and has a first inclined portion upwardly inclined toward the main-body portion flow channel, and a conveying channel that, when seen from above, lets the coolant into the first coolant flow channel from a direction perpendicular to the predetermined direction or lets the coolant out of the first coolant flow channel in the direction perpendicular to the predetermined direction.

Isolated transformer with integrated shield topology for reduced EMI

A packaged electronic device includes first conductive leads and second conductive leads at least partially exposed to an exterior of a package structure, and a multilevel lamination structure in the package structure. The multilevel lamination structure includes a first patterned conductive feature having multiple turns in a first level to form a first winding coupled to at least one of the first conductive leads in a first circuit, a second patterned conductive feature having multiple turns in a different level to form a second winding coupled to at least one of the second conductive leads in a second circuit isolated from the first circuit, and a conductive shield trace having multiple turns in a second level spaced apart from and between the first patterned conductive feature and the second patterned conductive feature, the conductive shield trace coupled in the first circuit.

Semiconductor device including a switching element in a first element region and a diode element in a second element region
11538802 · 2022-12-27 · ·

In a RC-IGBT chip, an anode electrode film and an emitter electrode film are arranged with a distance therebetween. The anode electrode film and the emitter electrode film are electrically connected by a wiring conductor having an external impedance and an external impedance. The external impedance and the external impedance include the resistance of the wiring conductor and the inductance of the wiring conductor.

Manufacturing a module with solder body having elevated edge
11538694 · 2022-12-27 · ·

A method of manufacturing a module is disclosed. In one example, the method comprises providing at least one solder body with a base portion and an elevated edge extending along at least part of a circumference of the base portion. At least one carrier, on which at least one electronic component is mounted, is placed in the at least one solder body so that the at least one carrier is positioned on the base portion and is spatially confined by the elevated edge.

Multi-chip module leadless package

A multi-chip module (MCM) package includes a leadframe including half-etched lead terminals including a full-thickness and half-etched portion, and second lead terminals including a thermal pad(s). A first die is attached by a dielectric die attach material to the half-etched lead terminals. The first die includes first bond pads coupled to first circuitry configured for receiving a control signal and for outputting a coded signal and a transmitter. The second die includes second bond pads coupled to second circuitry configured for a receiver with a gate driver. The second die is attached by a conductive die attach material to the thermal pad. Bond wires include die-to-die bond wires between a portion of the first and second bond pads. A high-voltage isolation device is between the transmitter and receiver. A mold compound encapsulates the first and the second die.

Compact low inductance chip-on-chip power card

Methods, systems, and apparatuses for a power card for use in a vehicle. The power card includes an N lead frame, a P lead frame, and an O lead frame each having a body portion and a terminal portion. The O lead frame is located between the N lead frame and the P lead frame. The power card includes a first power device located between the N lead frame and the O lead frame, with a first side coupled to the body portion of the N lead frame and a second side coupled to the body portion of the O lead frame. The power card includes a second power device located between the O lead frame and the P lead frame, with a first side coupled to the body portion of the O lead frame and a second side coupled to the body portion of the P lead frame.

Power Semiconductor Module with Laser-Welded Leadframe
20220406745 · 2022-12-22 ·

A power semiconductor module includes a substrate with a structured metallization layer and a number of semiconductor chips. Each chip has a first power electrode bonded to the metallization layer. A leadframe is laser-welded to second power electrodes of the semiconductor chips for electrically interconnecting the semiconductor chips. A control conductor is attached to the leadframe opposite to the semiconductor chips and is electrically isolated from the leadframe. The control conductor is electrically connected to control electrodes of the semiconductor chips in the group.

HEAT TRANSFER MEMBER-EQUIPPED SUBSTRATE AND METHOD FOR MANUFACTURING HEAT TRANSFER MEMBER-EQUIPPED SUBSTATE
20220408545 · 2022-12-22 ·

A heat transfer member-equipped substrate includes a heat transfer member installed in a through hole of a substrate; a heat generating component; and a solder portion soldering the heat generating component to the heat transfer member, a nickel base plating formed on the heat transfer member, and the solder portion bonded to the nickel base plating where a gold plating that suppresses oxidization of the nickel base plating is blended into the solder portion. The heat transfer member includes a first and a second heat transfer portion bonded to each other, the first heat transfer portion made of a first metal, the second heat transfer portion made of a second metal formed on at least a portion of a surface of the second heat transfer portion, and the second heat transfer portion being a plate shape that protrudes from a circumference of the first heat transfer portion.

Method for Producing Power Semiconductor Module and Power Semiconductor Module
20220406679 · 2022-12-22 ·

A method for producing a power semiconductor system includes packaging a power device in plastic to form a power semiconductor component, forming a first heat dissipation face on a surface of the power semiconductor component; heating a first material between a first heat sink and the first heat dissipation face; and cooling the first material on the first heat dissipation face to connect the power semiconductor component and the first heat sink.

PRESSING DEVICE FOR DIRECTLY OR INDIRECTLY APPLYING PRESSURE TO POWER-SEMICONDUCTOR COMPONENTS OF A POWER-SEMICONDUCTOR MODULE
20220406674 · 2022-12-22 ·

A pressing device for indirectly or directly applying pressure to power-semiconductor components of a power-semiconductor module, having a pressing plate, having a pressing nub element which is formed from an elastic material and which has a pressing nub plate and pressing nubs projecting therefrom, and having a receiving device for receiving the pressing nub element, which receiving device has a base plate provided with recesses, wherein the recesses run through the base plate, wherein the pressing nub plate is arranged on the base plate and the pressing nubs run through the recesses and, on the main side of the base plate facing away from the pressing nub plate, project beyond this main side of the base plate, and wherein the pressing nub plate is arranged between the pressing plate and the base plate.